| Country | Organist | Composer | Composer & Organist | Organ Builder | Other | Total | Organs |
|---|---|---|---|---|---|---|---|
| Afghanistan | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| Algeria | 1 | 4 | 1 | 0 | 0 | 6 | 0 |
| Antigua | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Argentina | 2 | 32 | 7 | 0 | 6 | 47 | 2 |
| Armenia | 1 | 3 | 0 | 0 | 1 | 5 | 0 |
| Australia | 77 | 79 | 33 | 9 | 6 | 204 | 59 |
| Austria | 8 | 172 | 62 | 6 | 16 | 264 | 10 |
| Azerbaijan | 0 | 7 | 0 | 0 | 0 | 7 | 0 |
| Barbados | 0 | 0 | 0 | 0 | 0 | 0 | 3 |
| Belgium | 17 | 168 | 96 | 4 | 15 | 300 | 6 |
| Belize | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| Bermuda | 2 | 1 | 0 | 0 | 0 | 3 | 1 |
| Bohemia | 15 | 48 | 28 | 1 | 10 | 102 | 0 |
| Bolivia | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| Bosnia | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| Brazil | 0 | 46 | 6 | 0 | 5 | 57 | 1 |
| Britain | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
| British Guiana | 1 | 0 | 0 | 0 | 0 | 1 | 3 |
| Bulgaria | 0 | 10 | 0 | 0 | 4 | 14 | 0 |
| Burgundy | 0 | 2 | 1 | 0 | 0 | 3 | 0 |
| Burmah | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Canada | 76 | 141 | 49 | 14 | 8 | 288 | 103 |
| Catalan | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| Ceylon | 1 | 1 | 0 | 0 | 0 | 2 | 2 |
| Chile | 1 | 7 | 0 | 0 | 0 | 8 | 4 |
| China | 1 | 6 | 0 | 0 | 1 | 8 | 10 |
| Columbia | 0 | 5 | 1 | 0 | 0 | 6 | 0 |
| Costa Rica | 0 | 1 | 0 | 0 | 0 | 1 | 1 |
| Croatia | 1 | 12 | 2 | 0 | 3 | 18 | 0 |
| Czech Republic | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Czechoslovakia | 0 | 124 | 7 | 0 | 5 | 136 | 0 |
| Denmark | 13 | 153 | 75 | 3 | 8 | 252 | 0 |
| Dominica | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Dominican Republic | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
| Ecuador | 0 | 1 | 1 | 0 | 0 | 2 | 0 |
| Egypt | 0 | 1 | 0 | 0 | 0 | 1 | 4 |
| England | 4571 | 975 | 1120 | 380 | 149 | 7195 | 2718 |
| Estonia | 0 | 28 | 5 | 0 | 1 | 34 | 0 |
| Finland | 1 | 114 | 24 | 0 | 0 | 139 | 1 |
| Flanders | 1 | 4 | 5 | 0 | 0 | 10 | 0 |
| France | 61 | 705 | 313 | 15 | 50 | 1144 | 29 |
| French Somaliland | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
| Galicia | 0 | 3 | 1 | 0 | 0 | 4 | 0 |
| Georgia | 0 | 2 | 0 | 0 | 1 | 3 | 0 |
| Germany | 221 | 1517 | 647 | 127 | 98 | 2610 | 456 |
| Ghana | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| Gibraltar | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Gold Coast | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Granada | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Greece | 0 | 4 | 0 | 0 | 0 | 4 | 0 |
| Guernsey | 1 | 0 | 1 | 1 | 0 | 3 | 3 |
| Holland | 20 | 349 | 222 | 10 | 37 | 638 | 14 |
| Hong Kong | 3 | 2 | 1 | 0 | 0 | 6 | 0 |
| Hungary | 5 | 79 | 12 | 0 | 2 | 98 | 1 |
| Iceland | 0 | 22 | 3 | 0 | 1 | 26 | 0 |
| India | 11 | 5 | 5 | 0 | 2 | 23 | 12 |
| Indonesia | 0 | 2 | 0 | 0 | 0 | 2 | 0 |
| Ireland | 155 | 31 | 16 | 12 | 4 | 218 | 179 |
| Isle-of-Man | 4 | 0 | 1 | 0 | 0 | 5 | 9 |
| Israel | 0 | 2 | 0 | 0 | 0 | 2 | 0 |
| Italy | 52 | 623 | 272 | 42 | 40 | 1029 | 45 |
| Jamaica | 0 | 1 | 0 | 0 | 0 | 1 | 21 |
| Japan | 1 | 35 | 4 | 0 | 0 | 40 | 2 |
| Java | 0 | 2 | 0 | 0 | 0 | 2 | 0 |
| Jersey | 12 | 0 | 1 | 0 | 0 | 13 | 7 |
| Korea | 0 | 4 | 0 | 0 | 0 | 4 | 0 |
| Latvia | 2 | 40 | 7 | 0 | 1 | 50 | 2 |
| Lebanon | 0 | 1 | 2 | 0 | 0 | 3 | 2 |
| Liechtenstein | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
| Lithuania | 0 | 28 | 4 | 0 | 0 | 32 | 0 |
| Luxembourg | 0 | 3 | 0 | 0 | 0 | 3 | 0 |
| Macedonia | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| Madagascar | 0 | 0 | 0 | 0 | 1 | 1 | 0 |
| Malaya | 0 | 0 | 0 | 0 | 1 | 1 | 0 |
| Malaysia | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Malta | 0 | 3 | 0 | 0 | 0 | 3 | 0 |
| Mexico | 1 | 19 | 3 | 0 | 4 | 27 | 0 |
| Minorca | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
| Moldova | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| Monaco | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| Moravia | 1 | 23 | 9 | 0 | 2 | 35 | 0 |
| Morocco | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| New Caledonia | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
| New Zealand | 10 | 31 | 13 | 6 | 1 | 61 | 32 |
| Nigeria | 1 | 1 | 4 | 0 | 0 | 6 | 6 |
| Norway | 13 | 131 | 52 | 0 | 8 | 204 | 0 |
| Pakistan | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| Palestine | 0 | 3 | 0 | 0 | 0 | 3 | 2 |
| Panama | 0 | 1 | 0 | 0 | 0 | 1 | 1 |
| Peru | 2 | 5 | 3 | 0 | 0 | 10 | 0 |
| Philippines | 0 | 3 | 0 | 0 | 0 | 3 | 1 |
| Poland | 3 | 121 | 9 | 0 | 19 | 152 | 3 |
| Portugal | 1 | 17 | 6 | 1 | 0 | 25 | 4 |
| Puerto Rico | 0 | 2 | 0 | 0 | 0 | 2 | 0 |
| Rhodesia | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Romania | 0 | 39 | 1 | 0 | 3 | 43 | 0 |
| Russia | 2 | 117 | 8 | 0 | 5 | 132 | 3 |
| Scotland | 247 | 52 | 40 | 16 | 6 | 361 | 298 |
| Serbia | 0 | 0 | 1 | 0 | 0 | 1 | 0 |
| Sierra Leone | 0 | 1 | 0 | 0 | 0 | 1 | 2 |
| Singapore | 0 | 0 | 0 | 0 | 0 | 0 | 2 |
| Slovakia | 0 | 5 | 3 | 0 | 0 | 8 | 0 |
| Slovenia | 0 | 12 | 4 | 0 | 0 | 16 | 0 |
| South Africa | 22 | 23 | 9 | 0 | 4 | 58 | 87 |
| Spain | 22 | 207 | 116 | 1 | 11 | 357 | 3 |
| St. Vincent | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Sudan | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Sumatra | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
| Sweden | 2 | 269 | 90 | 2 | 6 | 369 | 0 |
| Switzerland | 13 | 202 | 53 | 13 | 20 | 301 | 10 |
| Taiwan | 0 | 2 | 0 | 0 | 0 | 2 | 0 |
| Tanganyika | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| Trinidad | 2 | 0 | 0 | 0 | 0 | 2 | 5 |
| Turkey | 1 | 4 | 0 | 0 | 0 | 5 | 3 |
| U.S.A. | 250 | 1209 | 503 | 62 | 159 | 2183 | 312 |
| Uganda | 1 | 0 | 0 | 0 | 0 | 1 | 0 |
| Ukraine | 1 | 17 | 0 | 0 | 1 | 19 | 0 |
| Uruguay | 0 | 6 | 0 | 0 | 0 | 6 | 0 |
| Uzbekistan | 0 | 6 | 0 | 0 | 0 | 6 | 0 |
| Venezuela | 0 | 2 | 2 | 0 | 0 | 4 | 0 |
| Vietnam | 0 | 3 | 0 | 0 | 0 | 3 | 0 |
| Wales | 215 | 34 | 26 | 2 | 2 | 279 | 108 |
| Western Samoa | 0 | 1 | 0 | 0 | 0 | 1 | 0 |
| Yugoslavia | 0 | 22 | 0 | 0 | 0 | 22 | 1 |
| Zanzibar | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Unknown | 180 | 317 | 42 | 30 | 47 | 616 | 0 |
| Total | 6332 | 8527 | 4035 | 757 | 774 | 20425 | 4608 |